服務器端

package com.udp;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.OutputStream;

import java.net.DatagramPacket;

import java.net.DatagramSocket;

import java.net.SocketException;

public class UDPTextFileServer

{

public static void main(String[] args)

{

OutputStream os=null;

DatagramSocket ds=null;

try

{

ds=new DatagramSocket(9001);

System.out.println("在9001端口監聽...");

byte[] b=new byte[1024];

DatagramPacket dp=new DatagramPacket(b,0,b.length);

ds.receive(dp);

byte[] data=dp.getData();

os=new FileOutputStream(new File("text.txt"));

os.write(data, 0, dp.getLength());

System.out.println("文件接收成功");

} catch (SocketException e)

{

e.printStackTrace();

} catch (IOException e)

{

e.printStackTrace();

}

finally

{

try

{

os.close();

ds.close();

} catch (IOException e)

{

e.printStackTrace();

}

}

}

}

客戶端

package com.udp;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.io.InputStream;

import java.net.DatagramPacket;

import java.net.DatagramSocket;

import java.net.InetAddress;

import java.net.SocketException;

public class UDPTextFileClient

{

public static void main(String[] args)

{

DatagramSocket ds=null;

InputStream is=null;

try

{

ds=new DatagramSocket(9000);

System.out.println("客戶端在 9000 監聽");

is=new FileInputStream(new File("text.txt"));

byte[] b=new byte[is.available()];

is.read(b);

DatagramPacket dp=new DatagramPacket(b,0,b.length);

dp.setPort(9001);

dp.setAddress(InetAddress.getByName("192.168.2.102"));

ds.send(dp);

System.out.println("文件發送成功");

} catch (SocketException e)

{

e.printStackTrace();

} catch (IOException e)

{

e.printStackTrace();

}

finally

{

try

{

is.close();

ds.close();

} catch (IOException e)

{

e.printStackTrace();

}

}

}

}

總結

以上是生活随笔為你收集整理的udp 传输文件 java_Java 网络编程 之 UDP 文件传输的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。